Control means for centrifugal pumps,申请号US19290367588-传众专利搜索

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发明名称	Control means for centrifugal pumps
摘要
申请公布号	US1860603(A)	申请公布日期	1932.05.31
申请号	US19290367588	申请日期	1929.05.31
申请人	THE-ALLEN-SHERMAN-HOFF COMPANY	发明人	ALLEN FRANK B.
分类号	F04D15/02	主分类号	F04D15/02
代理机构		代理人
主权项
地址

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